256276440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 256

約数和(自身を含む): 988416000

約数和(自身を除く): 732139560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 109, 120, 126, 135, 140, 168, 180, 189, 210, 216, 218, 252, 270, 280, 311, 315, 327, 360, 378, 420, 436, 504, 540, 545, 622, 630, 654, 756, 763, 840, 872, 933, 945, 981, 1080, 1090, 1244, 1260, 1308, 1512, 1526, 1555, 1635, 1866, 1890, 1962, 2177, 2180, 2289, 2488, 2520, 2616, 2799, 2943, 3052, 3110, 3270, 3732, 3780, 3815, 3924, 4354, 4360, 4578, 4665, 4905, 5598, 5886, 6104, 6220, 6531, 6540, 6867, 7464, 7560, 7630, 7848, 8397, 8708, 9156, 9330, 9810, 10885, 11196, 11445, 11772, 12440, 13062, 13080, 13734, 13995, 14715, 15260, 16794, 17416, 18312, 18660, 19593, 19620, 20601, 21770, 22392, 22890, 23544, 26124, 27468, 27990, 29430, 30520, 32655, 33588, 33899, 34335, 37320, 39186, 39240, 41202, 41985, 43540, 45780, 52248, 54936, 55980, 58779, 58860, 65310, 67176, 67798, 68670, 78372, 82404, 83970, 87080, 91560, 97965, 101697, 103005, 111960, 117558, 117720, 130620, 135596, 137340, 156744, 164808, 167940, 169495, 195930, 203394, 206010, 235116, 237293, 261240, 271192, 274680, 293895, 305091, 335880, 338990, 391860, 406788, 412020, 470232, 474586, 508485, 587790, 610182, 677980, 711879, 783720, 813576, 824040, 915273, 949172, 1016970, 1175580, 1186465, 1220364, 1355960, 1423758, 1525455, 1830546, 1898344, 2033940, 2135637, 2351160, 2372930, 2440728, 2847516, 3050910, 3559395, 3661092, 4067880, 4271274, 4576365, 4745860, 5695032, 6101820, 6406911, 7118790, 7322184, 8542548, 9152730, 9491720, 10678185, 12203640, 12813822, 14237580, 17085096, 18305460, 21356370, 25627644, 28475160, 32034555, 36610920, 42712740, 51255288, 64069110, 85425480, 128138220, 256276440]

約数ペア:

[(1, 256276440), (2, 128138220), (3, 85425480), (4, 64069110), (5, 51255288), (6, 42712740), (7, 36610920), (8, 32034555), (9, 28475160), (10, 25627644), (12, 21356370), (14, 18305460), (15, 17085096), (18, 14237580), (20, 12813822), (21, 12203640), (24, 10678185), (27, 9491720), (28, 9152730), (30, 8542548), (35, 7322184), (36, 7118790), (40, 6406911), (42, 6101820), (45, 5695032), (54, 4745860), (56, 4576365), (60, 4271274), (63, 4067880), (70, 3661092), (72, 3559395), (84, 3050910), (90, 2847516), (105, 2440728), (108, 2372930), (109, 2351160), (120, 2135637), (126, 2033940), (135, 1898344), (140, 1830546), (168, 1525455), (180, 1423758), (189, 1355960), (210, 1220364), (216, 1186465), (218, 1175580), (252, 1016970), (270, 949172), (280, 915273), (311, 824040), (315, 813576), (327, 783720), (360, 711879), (378, 677980), (420, 610182), (436, 587790), (504, 508485), (540, 474586), (545, 470232), (622, 412020), (630, 406788), (654, 391860), (756, 338990), (763, 335880), (840, 305091), (872, 293895), (933, 274680), (945, 271192), (981, 261240), (1080, 237293), (1090, 235116), (1244, 206010), (1260, 203394), (1308, 195930), (1512, 169495), (1526, 167940), (1555, 164808), (1635, 156744), (1866, 137340), (1890, 135596), (1962, 130620), (2177, 117720), (2180, 117558), (2289, 111960), (2488, 103005), (2520, 101697), (2616, 97965), (2799, 91560), (2943, 87080), (3052, 83970), (3110, 82404), (3270, 78372), (3732, 68670), (3780, 67798), (3815, 67176), (3924, 65310), (4354, 58860), (4360, 58779), (4578, 55980), (4665, 54936), (4905, 52248), (5598, 45780), (5886, 43540), (6104, 41985), (6220, 41202), (6531, 39240), (6540, 39186), (6867, 37320), (7464, 34335), (7560, 33899), (7630, 33588), (7848, 32655), (8397, 30520), (8708, 29430), (9156, 27990), (9330, 27468), (9810, 26124), (10885, 23544), (11196, 22890), (11445, 22392), (11772, 21770), (12440, 20601), (13062, 19620), (13080, 19593), (13734, 18660), (13995, 18312), (14715, 17416), (15260, 16794)]